Home / 58,517.75-80,754.36-31,660.17

Finding the Fourth Proportional to 58,517.75, 80,754.36 and 31,660.17

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Solution

The fourth proportional to 58,517.75, 80,754.36 and 31,660.17 is: 43,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,517.75 : 80,754.36 = 31,660.17 : x
  2. Step 2: Convert to fraction form
    58,517.75/80,754.36 = 31,660.17/x
  3. Step 3: Cross multiply
    58,517.75x = 80,754.36 × 31,660.17
  4. Step 4: Simplify right side
    58,517.75x = 2,556,696,765.84
  5. Step 5: Solve for x
    x = 2,556,696,765.84/58,517.75
  6. Step 6: Final answer
    x = 43,690.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.